Air-mixing pipe for vapor-burners.



PATENTED JULY 5, 1904.

J. STUBBERS.

AIR MIXING PIPE FOR. VAPOR BURNERS.

APPLICATION FILED DEC. 23, 1903.

NO MODEL.

lnvenfoz Kanna a UNITED STATES Patented July 5, 1904.

PATENT OEEicE.

JOSEPH STUBBERS, OF COVINGTON, KENTUCKY, ASSIGNOR TO THE INCANDESCENT LIGHT & STOVE COMPANY, OF CINCINNATI, OHIO,

A CORPORATION.

AIR-MIXING PIPE FOR VAPOR-BURNERS.

SPECIFICATION forming part of Letters Patent No. 764,160, dated July 5, 1904.

Application filed December 23, 1903- Serifll (N0 111011613 To (all whom it may concern:

Be it known that I, J OSEPH STUBRERs,a citizen of the United States, residing at Covington, in the county of Kenton and State of Kentucky, have invented certain new and useful Improvements in Air-Mixing Pipes for Vapor-Burners, of which the following is a specification.

My invention relates to a device for mixing air and gas at the entrance of a service-pipe, which pipe supplies quite a range of burners attached thereto.

In the accompanying drawings the mixer attachment is shown in connection with the gas-delivery pipe of a gasolene-generator of the kind shown in Letters Patent No. 683,232, granted my assignee September 24., 1901.

The object of my invention is, first, to employ a mixing-pipe attachment to a servicepipe which delivers carbureted gas to a large number of burners; second, to construct the attachment so that it can be quickly and readily adjusted for the use of a varying number of burners and avoiding the necessity of regulating the mixing device when one or more burners are turned off or on.

The features of my invention and mode of operation are more fully set forth in the description of the accompanying drawings,forming a part of this specification, in which Figure 1 is a side elevation, partly in section, of my improvement in position for use. Fig. 2 is a sectional elevation of the air-chamber, the needle-valve, and plurality of airmixing tubes. Fig. 3 is a perspective view of a slide carrying-a plurality of air-mixing tubes.

A represents a gasolene-generator; A, the generator-pipe.

B represents the needle-valve rod.

7/ represents the point of the needle-valve.

C represents a box or compartment rigidly secured to the top of the generator A and forming an air-supply compartment for the mixing-tube.

D represents a gauze door hinged to the front of the compartment or box, which is preferably employed to admit a free supply of air.

E represents the service-pipe for conducting the mixed air and gas to a series of burners.

F represents the slide, to which is attached a plurality of different-sized air-mixing pipes. This slide may be moved to bring into operation either one of the mixing-pipes desired and is securely held against the top of compartment C by springs 3 on each side thereof.

In the accompanying drawings I have shown two different-sized pipes 1 2. It is obvious that three or more air-mixing tubes of different sizes may be employed, if desired, depending upon the number of burners and range of lights employed in the series.

In the preferred form of construction the slide is made to move longitudinally and is provided with a subplate H, having an oblong recess 01; opening just of a width to engage over the mouth of the service-pipe. The pipe 2 is provided with an enlarged mouth 71 corresponding in size to the opening of the service-pipe. The top of this subplate H fits closely against the mouth of the service-pipe E. As the needle-valve which supplies the gas under pressure forms a constricted orifice (as it is termed) to supply gas, the gas is forcibly ejected through the mixing-tube and entraining in with it air apportionately to the size of the tube and amount of vapor, and hence regulating the amount of mixture of air with gas, according to the size of the tube employed. I have found that with a small tube, approximately shown of the size as is the drawing Fig. 2, the proper amount of .air will be mixed by simply regulating the needle-valve to supply from one to three or four burners without any adjustment of the air mixing tubes. If a larger number of burners are employed, then the slide is adjusted so as to bring a larger-sized mixingtube, and the proper amount of air will be mixed thereto by simply turning the needlevalve for a larger range of burnerssay up to twelve. By this arrangement the proper amount of air mixed with gas is supplied to the service-pipe, and the turning off of one or two burners Will not materially affect the quality of the mixture, and the adjustment of the needle-valve alone will adapt the mixingpipe to quite a different number of burners.

The drawings show the use of an air-compartment as the preferred form; but any wellknown means of admitting air into the mixing-tube may be employed Without effect to the features of the invention therein.

Having described my invention, I claim-- 1. The combination of a generator and needle-valve, of a service-pipe, a slide fixed to the mouth thereof, a plurality of air-mixing pipes attached to said slide, and means for adjusting either one of said mixing-tubes in juxtaposition With the service-pipe and the needlevalve, substantially as described.

2. In combination with a gas generator and valve, of a service-pipe, an adjusting-plate attached to the mouth of the service-pipe, a

JOSEPH STUBBERS.

Witnesses:

OLIVER B. .KAIsEn, LUISE Been. 

